package com.jv.controller;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class MyController {
    @RequestMapping({"/","/index"})
    public String toIndex(Model model) {
        model.addAttribute("msg","Hello World!");
        return "index";
    }
    @RequestMapping("/user/add")
    public String add() {
        return "add";
    }
    @RequestMapping("/user/update")
    public String update(){
        return "update";
    }
    @RequestMapping("/toLogin")
    public String toLogin(){
        return "login";
    }
    @RequestMapping("/login")
    public String login(String username, String password,Model model){
        Subject subject = SecurityUtils.getSubject();
        UsernamePasswordToken token = new UsernamePasswordToken(username,password);
        try{
            subject.login(token);
            //注意这行代码,登录成功则返回index页面
            return "index";
        }catch (UnknownAccountException e){
            model.addAttribute("msg","用户名错误");
            return "login";
        }catch (IncorrectCredentialsException e){
            model.addAttribute("msg","密码不正确");
            return "login";
        }
    }
    //
    @RequestMapping("/noauth")
    @ResponseBody
    public String unauthorized() {
        return "未经授权不能访问";
    }
}
